New logical and visualized GUI design. Adopts professional embedded hardware and software, and pioneering dual-OS design to ensure the reliability of the system running. Supports redundant power supply to improve system stability. Supports HDD hot swap with RAID0, RAID1, RAID5, RAID 6, and RAID10 storage scheme configurable. Either normal or hot spare working mode is configurable to constitute an N 1 hot spare system. Up to 128/256 IP cameras can be connected. Supports live view, storage, and playback of the connected camera at up to 12 megapixels resolution. H.265 compression effectively reduces the storage space by up to 75%. 4 self-adaptive 10M/100M/1000M network interfaces. Adopt stream over TLS encryption technology (enhanced SDK service and RTP over HTTPS protocol) Connectable to the third-party network cameras like ACTI, Arecont, AXIS, Bosch, Brickcom, Canon, ONVIF, PANASONIC, Pelco, SAMSUNG, SANYO, SONY, Vivotek, and ZAVIO. Simultaneous HDMI 1/VGA output as the main output and the HDMI 2 works as the auxiliary output. HDMI and VGA1 simultaneous outputs by default. Asynchronous outputs are configurable. Video outputs at up to 4K (4096×2160) resolution. Supports decoding up to 20 channels at 1080p resolution. Up to 24 SATA interfaces and 1 eSATA interface provided for HDD connection. 10 TB capacity for each HDD. HDD health monitoring. Supports HDD quota and group modes; different capacity can be assigned to different channels. Normal/Important/Custom video playback. Centralized management of IP cameras is supported, including configuration, information import/export, real-time information display, two-way audio, upgrade, etc. Connectable to smart IP cameras from Hikvision and the recording, playing back, and backing up of VCA alarms can be realized. VCA detection alarm is supported. VCA search for facial detection, behavior analysis, people counting and heat map. Supports starting the record with one key. Realizes instant playback for assigned channel during multi-channel display mode. Smart search for the selected area in the video; and smart playback to improve the playback efficiency.